Freaks City

Problem Specification Given a set of positive hexadecimal integers, transform each into its octal equivalent. The input provides a count n (1 ≤ n ≤ 10), followed by n strings composed of digits 0-9 and uppercase letters A-F. Each string can be up to 100,000 characters long. Neither the input nor the output should contain leading zeros. Convers ...

Reducing a Binary Number to OneGiven a binary string representing a positive integer, the objective is to reduce this number to 1 using the minimum number of steps. The operations allowed are:If the current number is even, divide it by 2.If the current number is odd, add 1 to it.Since the input length can be up to 500, converting the binary str ...

This problem involves a BFS simulation on an ice floor grid. The movement mechanics require sliding in a chosen direction until hitting an obstacle. The algorithm explores four directions from each position, continuing to slide until a wall is encountered, at which point the stopping position becomes a new node in the traversal. Key implementat ...

1. Efficient Input Handling In competitive programming, reading data efficiently is crucial. Python provides several ways to handle single and multiple lines of input. # Reading a single string user_data = input() # Reading and converting to an integer base_value = int(input()) # Reading multiple space-separated integers into variables start, ...

Alphabetic Substitution CipherImplementing a Caesar-like cipher that shifts English letters by one position while inverting their case. Lowercase letters become uppercase and shift forward, while uppercase letters become lowercase and shift forward.#include <stdio.h> #include <ctype.h> int main() { int current_char; while ( ...

Problem A: Is It a Cat? Givan a string and its length, output "YES" if the string satisfies the following conditions; otherwise, output "NO": The string consists of exactly four segments. Each segment contains only one letter (case-insensitive), in the exact sequence: 'm', 'e', 'o', 'w'. There are t test cases. Approach Th ...

Concatenating StringsVariables can be joined by placing them adjacent to each other.prefix="sys" suffix="_log" combined="${prefix}${suffix}" echo "$combined" # Output: sys_logExtracting Substrings by IndexRetrieve a portion of a string by specifying the starting position and length using the format ${variable:offset:length}.text="deployment" s ...

Selective Divisor Extraction Identify integers within a specified range that are divisible by either 5 or 6, but exclude those divisible by both (30). def find_special_divisors(limit=10000): results = [] for num in range(1, limit + 1): if (num % 5 == 0 or num % 6 == 0) and num % 30 != 0: results.append(num) retur ...

Given a string s, the objective is to locate and return longest substring that reads the same forwards and backwards. Examples Input: s = "babad" Output: "bab" Note: "aba" is also a valid answer. Input: s = "cbbd" Output: "bb" Input: s = "a" Output: "a" Input: s = "a ...

Exponential Calculation This solution calculates the power of 2 for a given non-negative integer n. Instead of iterating, we utilize bit shifting for efficiency. #include <iostream> int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); int exponent; std::cin >> exponent; long long resul ...